Derivative of 1x3\frac{1}{x^{3}}

The calculator will find the derivative of 1x3\frac{1}{x^{3}}, with steps shown.

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Your Input

Find ddx(1x3)\frac{d}{dx} \left(\frac{1}{x^{3}}\right).

Solution

Apply the power rule ddx(xn)=nxn1\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1} with n=3n = -3:

(ddx(1x3))=(3x4){\color{red}\left(\frac{d}{dx} \left(\frac{1}{x^{3}}\right)\right)} = {\color{red}\left(- \frac{3}{x^{4}}\right)}

Thus, ddx(1x3)=3x4\frac{d}{dx} \left(\frac{1}{x^{3}}\right) = - \frac{3}{x^{4}}.

Answer

ddx(1x3)=3x4\frac{d}{dx} \left(\frac{1}{x^{3}}\right) = - \frac{3}{x^{4}}A